3652857 has 20 divisors (see below), whose sum is σ = 5878180. Its totient is φ = 2247264.

The previous prime is 3652843. The next prime is 3652871. The reversal of 3652857 is 7582563.

It is an interprime number because it is at equal distance from previous prime (3652843) and next prime (3652871).

It can be written as a sum of positive squares in 2 ways, for example, as 281961 + 3370896 = 531^2 + 1836^2 .

It is not a de Polignac number, because 3652857 - 2¹¹ = 3650809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3652897) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 682 + ... + 2787.

It is an arithmetic number, because the mean of its divisors is an integer number (293909).

Almost surely, 2^3652857 is an apocalyptic number.

It is an amenable number.

3652857 is a deficient number, since it is larger than the sum of its proper divisors (2225323).

3652857 is a wasteful number, since it uses less digits than its factorization.

3652857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494 (or 3485 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 3652857 is about 1911.2448822691. The cubic root of 3652857 is about 154.0083342878.

It can be divided in two parts, 36528 and 57, that added together give a triangular number (36585 = T₂₇₀).

The spelling of 3652857 in words is "three million, six hundred fifty-two thousand, eight hundred fifty-seven".